nginx配置移动自适应跳转

server {
    ##商铺##
    listen ip:80;
        server_name *.cn.XXX.com;
    include allow.conf;
    if ($host ~* (.*).cn.XXX.com) {
                        set $domain $1;                                                                                                
        }
    set $mobileRewrite "0";
    if ($http_user_agent ~* "(android|bb\d+|meego).+mobile|avantgo|dolphin|dolphin-browser|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino") {
        set $mobileRewrite "1";
    }
    if ($http_cookie ~* "showpc"){
        set $mobileRewrite "0";
    }
    if ($mobileRewrite = "1") {
        rewrite ^/(.*) https://m.XXX.com/shop/$domain/$1 redirect;
    }
    #强制https
    rewrite ^(.*)$ https://$domain.cn.XXX.com$1 permanent;

    location / {
        proxy_cache my-cache;
        proxy_cache_valid 200 206 304 301 302 10d;
        proxy_cache_key $host$uri$is_args$args;
        proxy_set_header Host $host:$server_port;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        add_header Nginx-Cache $upstream_cache_status;
        proxy_pass http://cn.XXX.com;
        }
    #access_log  /home/nginx/logs/access.log logstash_json;
}